/*
 *  Copyright 2019-2023 Zheng Jie
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.nacos.shangtu.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.nacos.shangtu.entity.dto.ConversationDto;
import com.nacos.shangtu.entity.dto.MessageDto;
import com.nacos.shangtu.entity.po.MessagePO;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface MessageMapper extends BaseMapper<MessagePO> {

    @Select(" SELECT *, from_user.user_name from_user_name, from_user.avatar_url from_user_avatar_url, to_user.user_name to_user_name, to_user.avatar_url to_user_avatar_url from im_message" +
            " LEFT JOIN im_user from_user on from_user.user_id = im_message.from_user " +
            " LEFT JOIN im_user to_user on to_user.user_id = im_message.to_user" +
            " where im_message.group_Id = #{groupId} ORDER BY create_time")
    List<MessageDto> getMessageList(String groupId);

    @Select("SELECT im_message.*, from_user.user_name from_user_name, from_user.avatar_url from_user_avatar_url, to_user.user_name to_user_name, to_user.avatar_url to_user_avatar_url, im_group.group_name  from (SELECT group_Id, MAX(create_time) as create_time FROM im_message where group_Id = #{groupId} GROUP BY group_Id) temp LEFT JOIN im_message on temp.group_Id = im_message.group_Id and temp.create_time = im_message.create_time" +
            " LEFT JOIN im_user from_user on from_user.user_id = im_message.from_user" +
            " LEFT JOIN im_user to_user on to_user.user_id = im_message.to_user" +
            " LEFT JOIN im_group on im_group.group_id = temp.group_id " +
            " ORDER BY im_message.create_time DESC")
    List<ConversationDto> findConversations(String groupId);

    @Select({
            "<script>",
            " SELECT *, form_user.user_name form_user_name, form_user.avatar_url form_user_avatar_url,  to_user.user_name to_user_name, to_user.avatar_url to_user_avatar_url from im_message" +
            " LEFT JOIN im_user form_user on form_user.user_id = im_message.from_user" +
            " LEFT JOIN im_user to_user on to_user.user_id = im_message.to_user" +
            " where im_message.id in ",
            "<foreach item='id' collection='ids' open='(' separator=',' close=')'>",
            "#{id}",
            "</foreach>",
            "</script>"
    })
    List<MessageDto> getMessageByIds(@Param("ids") List<String> ids);

}
